JP2007303602A - Cylinder head gasket - Google Patents

Cylinder head gasket Download PDF

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Publication number
JP2007303602A
JP2007303602A JP2006134259A JP2006134259A JP2007303602A JP 2007303602 A JP2007303602 A JP 2007303602A JP 2006134259 A JP2006134259 A JP 2006134259A JP 2006134259 A JP2006134259 A JP 2006134259A JP 2007303602 A JP2007303602 A JP 2007303602A
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Prior art keywords
plate
gasket
rubber ring
hole
protrusion
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JP2006134259A
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Japanese (ja)
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JP4560007B2 (en
Inventor
Tomohito Taguchi
智仁 田口
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Ishikawa Gasket Co Ltd
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Ishikawa Gasket Co Ltd
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Application filed by Ishikawa Gasket Co Ltd filed Critical Ishikawa Gasket Co Ltd
Priority to JP2006134259A priority Critical patent/JP4560007B2/en
Priority to US11/797,690 priority patent/US20070262538A1/en
Priority to DE102007022423.2A priority patent/DE102007022423B4/en
Priority to KR1020070046079A priority patent/KR100824335B1/en
Priority to CN2007101074483A priority patent/CN101070911B/en
Publication of JP2007303602A publication Critical patent/JP2007303602A/en
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Publication of JP4560007B2 publication Critical patent/JP4560007B2/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F11/00—Arrangements of sealings in combustion engines 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F11/00—Arrangements of sealings in combustion engines 
    • F02F11/002—Arrangements of sealings in combustion engines  involving cylinder heads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
    • F16J15/0818—Flat gaskets
    • F16J15/0825—Flat gaskets laminated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
    • F16J15/0818—Flat gaskets
    • F16J2015/0856—Flat gaskets with a non-metallic coating or strip

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cylinder head gasket for preventing the turn of a rubber ring plate while allowing easy positioning of the rubber ring plate on a gasket plate. <P>SOLUTION: The cylinder head gasket 1A having at least one fluid hole to be sealed therearound comprises at least one gasket plate having the fluid hole, and a rubber ring plate 7 laid on the gasket plate at the position of the fluid hole and having a sealing rubber ring 6 at the hole edge of a communication hole 7b corresponding to the fluid hole. One of the gasket plate and the rubber ring plate 7 has a protrusion 12 protruded toward the other plate. The other plate has a locking hole 13 into which the protrusion 12 is fitted and locked. Thus, the rubber ring plate 7 is positioned on the gasket plate and fixed thereto in a non-rotatable condition. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、エンジンのシリンダブロックとシリンダヘッドとの間に介在するシリンダヘッドガスケットに関するものである。   The present invention relates to a cylinder head gasket interposed between a cylinder block and a cylinder head of an engine.

この種のシリンダヘッドガスケットは、一般に、シリンダブロックに形成された水穴やオイル穴などに対応する複数の流体穴を備えていて、この流体穴を通じて上記水穴やオイル穴を冷却水やオイルが流通するようになっている。これらの水穴やオイル穴は、シリンダブロックとシリンダヘッドとの間に介在する上記シリンダヘッドガスケットによってシールされるものであるが、条件によっては、特定の水穴又はオイル穴のシール性を一段と高めることを要求される場合がある。
このような場合、例えば特許文献１に記載されているような技術を応用して、ガスケットのシールを必要とする流体穴の位置に、シール用のラバーリングを備えたラバーリングプレートを設置することが考えられる。
しかし、このようなラバーリングプレートをガスケットに設ける場合、上記流体穴の周辺には、すぐ近くに他の流体穴が設けられていたり、ガスケットを構成するプレートやその他の部材などが近接して配置されていたりするため、これらの流体穴や他の部材などとラバーリングプレートとが相互に干渉し合わないように、該ラバーリングプレートを正しい向きに確実にしかも非回転の状態に設置しなければならない。特に、ラバーリングプレートが非円形をしていて方向性を有する場合には、取付方向の狂いによって他の流体穴を塞いだり、他のプレートと重なり合うなどの不都合を生じることになるので、その取り付けには正確さが要求される。 This type of cylinder head gasket is generally provided with a plurality of fluid holes corresponding to water holes and oil holes formed in the cylinder block, through which the cooling water and oil are passed through the water holes and oil holes. It comes to circulate. These water holes and oil holes are sealed by the cylinder head gasket interposed between the cylinder block and the cylinder head. However, depending on conditions, the sealing performance of a specific water hole or oil hole is further enhanced. You may be asked to do that.
In such a case, for example, by applying a technique described in Patent Document 1, a rubber ring plate having a rubber ring for sealing is installed at the position of the fluid hole that requires sealing of the gasket. Can be considered.
However, when such a rubber ring plate is provided in the gasket, other fluid holes are provided in the immediate vicinity of the fluid hole, or the plate and other members constituting the gasket are arranged close to each other. Therefore, the rubber ring plate must be installed in the correct orientation and in a non-rotating state so that these fluid holes and other members do not interfere with each other. Don't be. In particular, if the rubber ring plate is non-circular and has directionality, it may cause inconveniences such as blocking other fluid holes or overlapping with other plates due to misalignment of the mounting direction. Requires accuracy.

特開平１１−２６４４７３号公報JP-A-11-264473

本発明の技術的課題は、シリンダヘッドガスケットにおいて、シールを必要とする流体穴の位置に、シール用のラバーリングを備えたラバーリングプレートを、正確な向きに位置決めした状態かつ非回転の状態に取り付けることができるようにすることにある。   The technical problem of the present invention is that in a cylinder head gasket, a rubber ring plate having a rubber ring for sealing is positioned in a precise orientation at a position of a fluid hole that requires sealing, and is in a non-rotating state. It is to be able to be attached.

上記目的を達成するため、本発明によれば、周囲をシールされるべき少なくとも一つの流体穴を有するシリンダヘッドガスケットであって、上記流体穴を有する少なくとも一つのガスケットプレートと、該流体穴の位置においてこのガスケットプレートに重設され、上記流体穴と対応する連通穴の穴縁にシール用のラバーリングを有するラバーリングプレートとを備え、上記ガスケットプレートとラバーリングプレートのうち、一方のプレートに他方のプレート方向に突出する突起を設け、他方のプレートに該突起が嵌合、係止する係止孔を設けることにより、上記ラバーリングプレートを、上記ガスケットプレートに対して位置決めすると共に非回転の状態に固定したことを特徴とするシリンダヘッドガスケットが提供される。   In order to achieve the above object, according to the present invention, a cylinder head gasket having at least one fluid hole to be sealed around, at least one gasket plate having the fluid hole, and the position of the fluid hole. And a rubber ring plate having a rubber ring for sealing at the hole edge of the communication hole corresponding to the fluid hole, and one of the gasket plate and the rubber ring plate. The rubber ring plate is positioned with respect to the gasket plate and non-rotating by providing a protrusion protruding in the plate direction and providing a locking hole in which the protrusion is fitted and locked in the other plate. A cylinder head gasket is provided which is characterized in that it is fixed to the cylinder head gasket.

また、上記突起がガスケットプレートに形成したビードであり、また、上記係止孔がラバーリングプレートに設けられていてもよい。   The protrusion may be a bead formed on the gasket plate, and the locking hole may be provided on the rubber ring plate.

また、上記突起がラバーリングプレートに突出したゴム片からなり、また、上記係止孔がガスケットプレートに設けられていてもよい。   The protrusion may be a rubber piece protruding from the rubber ring plate, and the locking hole may be provided in the gasket plate.

本発明において好ましくは、上記突起は、基端部側より先端部側の径が拡大した形に形成されると共に、上記係止孔が、上記突起の挿入口である内側端の口径より反対側である外側端の口径が大きく形成されていることである。   Preferably, in the present invention, the protrusion is formed in a shape in which the diameter on the distal end side is enlarged from the base end side, and the locking hole is on the opposite side from the diameter of the inner end that is the insertion opening of the protrusion. That is, the diameter of the outer end is large.

より好ましくは、上記ラバーリングプレートの両側に位置する第１及び第２ガスケットプレートと、これら第１、第２ガスケットプレートの間において上記ラバーリングプレートと非重合状態に位置する中間プレートとを有し、上記突起の高さが中間プレートの厚さよりも小さく形成されていることである。   More preferably, the first and second gasket plates located on both sides of the rubber ring plate, and the rubber ring plate and an intermediate plate located in a non-polymerized state between the first and second gasket plates. The height of the projection is smaller than the thickness of the intermediate plate.

本発明のシリンダヘッドガスケットは、シールを必要とする流体穴の位置に、上記ラバーリングプレートを正確な向きに位置決めした状態かつ非回転の状態に取り付けることができる。   The cylinder head gasket of the present invention can be attached in a state where the rubber ring plate is positioned in the correct orientation and in a non-rotating state at the position of the fluid hole that requires sealing.

図１及び図２は本発明に係るシリンダヘッドガスケットの第１実施形態を示すものである。このガスケット１Ａは、シリンダヘッドとシリンダブロックとの間に装着されてこれらの対向面をシールするもので、シリンダブロックの燃焼室に対応する燃焼室穴２と、シリンダヘッドとシリンダブロックとを緊結するボルトを挿通するためのボルト穴３と、エンジン冷却水を通すための水穴４やオイルを通すためのオイル穴５等の流体穴とを備えている。   1 and 2 show a first embodiment of a cylinder head gasket according to the present invention. The gasket 1A is mounted between the cylinder head and the cylinder block and seals the opposing surfaces thereof, and tightly connects the combustion chamber hole 2 corresponding to the combustion chamber of the cylinder block and the cylinder head and the cylinder block. Bolt holes 3 for inserting bolts and fluid holes such as water holes 4 for passing engine cooling water and oil holes 5 for passing oil are provided.

上記ガスケット１Ａは、上下両面側に位置してほぼ同じ大きさ及び形状を有する第１及び第２ガスケットプレート８，９と、これら第１、第２ガスケットプレート８，９の間に介在して該ガスケット１の所要位置にシール用面圧を発生させる中間プレート１０と、両ガスケットプレート８，９間において何れかの流体穴の位置に設けられたラバーリングプレート７とを有している。図示した例では、一部の水穴４の位置にこのラバーリングプレート７が設けられている。   The gasket 1A is located between the first and second gasket plates 8 and 9 which are located on both upper and lower surfaces and have substantially the same size and shape, and is interposed between the first and second gasket plates 8 and 9. An intermediate plate 10 that generates a sealing surface pressure at a required position of the gasket 1 and a rubber ring plate 7 provided at any fluid hole between the gasket plates 8 and 9 are provided. In the illustrated example, the rubber ring plate 7 is provided at the positions of some of the water holes 4.

上記両ガスケットプレート８，９及び中間プレート１０は、金属或いはその他の板材で形成されていて、必要数の上記燃焼室穴２とボルト穴３と水穴４やオイル穴５等の流体穴とを備えている。また、上記ラバーリングプレート７は、上記水穴４の周囲にシール用面圧を発生させるためのもので、第３図からも分かるように、該水穴４との対応位置に該水穴４より小径の連通穴７ｂを有する金属製のプレート本体７ａと、上記連通穴７ｂの穴縁に該プレート本体７ａの表裏両面に突出するように形成された円環状のラバーリング６とを有している。このラバーリング６は、耐熱性のゴムあるいは合成樹脂からなるもので、上記水穴４の内部に同心状に位置し、その厚さｔは、上記２つのガスケットプレート８，９及び中間プレート１０の厚さの総和より大きい。
一方、上記プレート本体７ａは、第３図に示すように、外形形状がほぼ円形をしているが、水穴４と隣接して位置するオイル穴５を塞がないようにするため、その外周の該オイル穴５と対応する位置に該オイル穴５の形状に沿って切り欠き７ｃが形成されており、この切り欠き７ｃの形成によって実際には非円形の外形形状を有するように形成されている。しかし、このプレート本体７ａの外形形状は、矩形や楕円形などその他の適宜形状であっても良い。また、このプレート本体７ａの厚さは、上記中間プレート１０の厚さと同じか又はそれ以下である。 The gasket plates 8 and 9 and the intermediate plate 10 are made of metal or other plate material, and have the required number of the combustion chamber holes 2, bolt holes 3, water holes 4, oil holes 5 and other fluid holes. I have. Further, the rubber ring plate 7 is for generating a sealing surface pressure around the water hole 4, and as can be seen from FIG. 3, the water hole 4 is located at a position corresponding to the water hole 4. A metal plate body 7a having a communication hole 7b having a smaller diameter, and an annular rubber ring 6 formed at the hole edge of the communication hole 7b so as to protrude on both the front and back surfaces of the plate body 7a. Yes. The rubber ring 6 is made of heat-resistant rubber or synthetic resin, and is concentrically located inside the water hole 4, and its thickness t is equal to that of the two gasket plates 8, 9 and the intermediate plate 10. Greater than total thickness.
On the other hand, as shown in FIG. 3, the plate body 7a has a substantially circular outer shape, but its outer periphery is not to block the oil hole 5 located adjacent to the water hole 4. A cutout 7c is formed along the shape of the oil hole 5 at a position corresponding to the oil hole 5, and the cutout 7c is formed so as to actually have a non-circular outer shape. Yes. However, the outer shape of the plate body 7a may be another appropriate shape such as a rectangle or an ellipse. Further, the thickness of the plate body 7a is equal to or less than the thickness of the intermediate plate 10.

上記ラバーリングプレート７を上記水穴４の位置に正しい向きで正確に設置するため、上記第１ガスケットプレート８の該ラバーリングプレート７と重合する部分には、該ラバーリングプレート７側に向けて突出する突起１２が形成され、これに対して該ラバーリングプレート７には、この突起１２が嵌合して係止する係止孔１３が形成され、これらの突起１２と係止孔１３との係合によって上記ラバーリングプレート７が、所定の位置に必要な向きに正確に位置決めされた状態で、非回転の状態に固定されている。
上記突起１２は、ガスケットプレート８の一部をラバーリングプレート７側に向けて突出、変形させて形成されたビードであって、その形はやや先細りをなす短円柱状であり、またその高さは、この突起１２によって不要な面圧が発生することがないように、上記プレート本体７ａ又は中間プレート１０の厚さと同等以下に形成されている。 In order to accurately place the rubber ring plate 7 at the position of the water hole 4 in the correct orientation, the portion of the first gasket plate 8 that overlaps with the rubber ring plate 7 is directed toward the rubber ring plate 7. Protruding protrusions 12 are formed, and the rubber ring plate 7 is formed with locking holes 13 into which the protrusions 12 are fitted and locked. The rubber ring plate 7 is fixed in a non-rotating state in a state where the rubber ring plate 7 is accurately positioned at a predetermined position in a required direction by engagement.
The protrusion 12 is a bead formed by projecting and deforming a part of the gasket plate 8 toward the rubber ring plate 7, and its shape is a short cylindrical shape with a slight taper, and its height. Is formed to be equal to or less than the thickness of the plate body 7a or the intermediate plate 10 so that unnecessary surface pressure is not generated by the protrusions 12.

かくして上記構成を有するシリンダヘッドガスケット１Ａにおいては、上記第１ガスケットプレート８に設けた突起１２がラバーリングプレート７に設けた係止孔１３に嵌合、係止することにより、非円形で方向性を有するラバーリングプレート７であっても、正確な向きに位置決めされると共に、エンジンの振動作用など外力の作用によって回転することないよう非回転の状態に固定される。この結果、該ラバーリングプレート７が近接するオイル穴５と干渉して該オイル穴５を塞いだり、中間プレート１０と重なり合ったりするといったような不都合を生じることがない。
また、上記突起１２の高さを、第１、第２ガスケットプレート８，９の間に介装させた中間プレート１０の厚さと同じかそれ以下に形成したことにより、該突起１２が第２ガスケットプレート９と接触して不要な面圧を発生させることを回避している。 Thus, in the cylinder head gasket 1A having the above-described configuration, the protrusion 12 provided on the first gasket plate 8 is fitted and locked in the locking hole 13 provided on the rubber ring plate 7, so that it is non-circular and directional. Even the rubber ring plate 7 having the above is positioned in an accurate direction and is fixed in a non-rotating state so as not to rotate due to an external force such as an engine vibration. As a result, there is no inconvenience that the rubber ring plate 7 interferes with the adjacent oil hole 5 to close the oil hole 5 or overlap the intermediate plate 10.
Further, since the height of the projection 12 is the same as or less than the thickness of the intermediate plate 10 interposed between the first and second gasket plates 8 and 9, the projection 12 is made to be the second gasket. The generation of unnecessary surface pressure in contact with the plate 9 is avoided.

なお、上記実施形態のシリンダヘッドガスケット１Ａは、上記ラバーリングプレート７がガスケットプレート８，９の一部の水穴４の位置に設置されているが、該ラバーリングプレート７は、何れかのオイル穴５の位置に設置してもよく、また、水穴４とオイル穴５の両方の位置に設置してもよい。   In the cylinder head gasket 1A of the above embodiment, the rubber ring plate 7 is installed at the position of a part of the water holes 4 of the gasket plates 8 and 9, but the rubber ring plate 7 is made of any oil. You may install in the position of the hole 5, and you may install in the position of both the water hole 4 and the oil hole 5. FIG.

図４は本発明の第２実施形態を示したものである。
この第２実施形態のシリンダヘッドガスケット１Ｂは、突起１２をラバーリングプレート７側に形成し、係止孔１３を第１ガスケットプレート８側に形成した点で上記第１実施形態のガスケット１Ａと相違している。上記ラバーリングプレート７に形成した上記突起１２は、耐熱性のゴム材によって短円柱状又は短角柱状に形成され、接着剤などの適宜手段でプレート本体７ａに固着されている。一方、係止孔１３は、上記ガスケットプレート８の全厚さにわたり均一内径を有する円形孔又は角柱孔に形成されている。
上記突起１２の高さは、第１ガスケットプレート８から突き出さないように、該第１ガスケットプレート８の厚さと同等以下の高さに形成されることが望ましい。
この第２実施形態の上記以外の構成は実質的に第１実施形態と同じである。 FIG. 4 shows a second embodiment of the present invention.
The cylinder head gasket 1B of the second embodiment is different from the gasket 1A of the first embodiment in that the protrusion 12 is formed on the rubber ring plate 7 side and the locking hole 13 is formed on the first gasket plate 8 side. is doing. The protrusions 12 formed on the rubber ring plate 7 are formed in a short columnar shape or a short prism shape by a heat-resistant rubber material, and are fixed to the plate body 7a by an appropriate means such as an adhesive. On the other hand, the locking holes 13 are formed as circular holes or prismatic holes having a uniform inner diameter over the entire thickness of the gasket plate 8.
It is desirable that the height of the protrusion 12 is formed to be equal to or less than the thickness of the first gasket plate 8 so as not to protrude from the first gasket plate 8.
The other configurations of the second embodiment are substantially the same as those of the first embodiment.

図５は本発明の第３実施形態を示すもので、この第３実施形態のガスケット１Ｃが上記第２実施形態のガスケット１Ｂと相違する点は、ラバーリングプレート７に設けられたゴム片からなる突起１２が、その基端部側１２ａより先端部側１２ｂの径が次第に拡大した短柱状に形成されると共に、第１ガスケットプレート８に形成された係止孔１３が、この突起１２の形状に合わせて、該突起１２の挿入口である内側端１３ａの口径よりもその反対側である外側端１３ｂの口径が次第に大きくなるような形に形成されている点である。従って、この第３実施形態において、上記突起１２を係止孔１３に弾力的に圧縮変形させて嵌合させると、該突起１２は係止孔１３内に係止してその抜け出しが防止されるから、ラバーリングプレート７はより確実に固定されることになる。
なお、図示した例では、上記突起１２及び係止孔１３における水穴４側の側面がそれぞれ先広がり状に傾斜しているが、反対側の側面が傾斜していてもよい。 FIG. 5 shows a third embodiment of the present invention. The gasket 1C of the third embodiment is different from the gasket 1B of the second embodiment in that the rubber ring plate 7 is provided with a rubber piece. The protrusion 12 is formed in a short column shape in which the diameter of the distal end portion side 12b is gradually enlarged from the proximal end portion side 12a, and the locking hole 13 formed in the first gasket plate 8 has a shape of the protrusion 12 In addition, the diameter of the outer end 13b, which is the opposite side of the inner end 13a, which is the insertion opening of the projection 12, is formed so as to gradually increase. Therefore, in the third embodiment, when the protrusion 12 is elastically compressed and deformed into the locking hole 13 and fitted, the protrusion 12 is locked in the locking hole 13 to prevent the protrusion 12 from coming out. Therefore, the rubber ring plate 7 is more reliably fixed.
In the illustrated example, the side surfaces of the protrusions 12 and the locking holes 13 on the water hole 4 side are inclined so as to be widened, but the opposite side surfaces may be inclined.

上記第３実施形態において、その他の構成及び作用は、実質的に前記第２実施形態と変わるところがないから、それらの同一または相当部分に同一符号を付して、それらの説明を省略する。   In the third embodiment, other configurations and operations are substantially the same as those of the second embodiment. Therefore, the same or corresponding parts are denoted by the same reference numerals, and the description thereof is omitted.

本発明に係るシリンダヘッドガスケットの第１実施形態を示す部分平面図である。It is a partial top view which shows 1st Embodiment of the cylinder head gasket which concerns on this invention. 第１実施形態の要部断面図である。It is principal part sectional drawing of 1st Embodiment. 第１実施形態におけるラバーリングプレートの平面図である。It is a top view of the rubber ring plate in a 1st embodiment. 本発明の第２実施形態の要部断面図である。It is principal part sectional drawing of 2nd Embodiment of this invention. 本発明の第３実施形態の要部断面図である。It is principal part sectional drawing of 3rd Embodiment of this invention.

符号の説明Explanation of symbols

１Ａ，１Ｂ，１Ｃ シリンダヘッドガスケット
６ ラバーリング
７ ラバーリングプレート
８ 第１ガスケットプレート
９ 第２ガスケットプレート
１０ 中間プレート
１２ 突起
１２ａ 基端部側
１２ｂ 先端部側
１３ 係止穴
１３ａ 内側端
１３ｂ 外側端
1A, 1B, 1C Cylinder head gasket 6 Rubber ring 7 Rubber ring plate 8 First gasket plate 9 Second gasket plate 10 Intermediate plate 12 Projection 12a Base end side 12b Tip end side 13 Locking hole 13a Inner end 13b Outer end

Claims (5)

周囲をシールされるべき少なくとも一つの流体穴を有するシリンダヘッドガスケットであって、
上記流体穴を有する少なくとも一つのガスケットプレートと、該流体穴の位置においてこのガスケットプレートに重設され、上記流体穴と対応する連通穴の穴縁にシール用のラバーリングを有するラバーリングプレートとを備え、
上記ガスケットプレートとラバーリングプレートのうち、一方のプレートに他方のプレート方向に突出する突起を設け、他方のプレートに該突起が嵌合、係止する係止孔を設けることにより、上記ラバーリングプレートを、上記ガスケットプレートに対して位置決めすると共に非回転の状態に固定したことを特徴とするシリンダヘッドガスケット。 A cylinder head gasket having at least one fluid hole to be sealed around,
At least one gasket plate having the fluid hole, and a rubber ring plate that is provided on the gasket plate at the position of the fluid hole and has a rubber ring for sealing at the hole edge of the communication hole corresponding to the fluid hole. Prepared,
Of the gasket plate and the rubber ring plate, the rubber ring plate is provided by providing a protrusion that protrudes in the direction of the other plate on one plate, and a locking hole in which the protrusion is fitted and locked. The cylinder head gasket is characterized by being positioned with respect to the gasket plate and fixed in a non-rotating state. 上記突起がガスケットプレートに形成したビードであり、また、上記係止孔がラバーリングプレートに設けられていることを特徴とする請求項１に記載のガスケット。   The gasket according to claim 1, wherein the protrusion is a bead formed on the gasket plate, and the locking hole is provided on the rubber ring plate. 上記突起がラバーリングプレートに突出したゴム片からなり、また、上記係止孔がガスケットプレートに設けられていることを特徴とする請求項１に記載のガスケット。   The gasket according to claim 1, wherein the protrusion is made of a rubber piece protruding from a rubber ring plate, and the locking hole is provided in the gasket plate. 上記突起は、基端部側より先端部側の径が拡大した形に形成されると共に、上記係止孔が、上記突起の挿入口である内側端の口径より反対側である外側端の口径が大きく形成されていることを特徴とする請求項３に記載のガスケット。   The protrusion is formed in a shape in which the diameter on the distal end side is enlarged from the base end side, and the diameter of the outer end that is opposite to the diameter of the inner end that is the insertion opening of the protrusion The gasket according to claim 3, wherein the gasket is formed large. 上記ラバーリングプレートの両側に位置する第１及び第２ガスケットプレートと、これら第１、第２ガスケットプレートの間において上記ラバーリングプレートと非重合状態に位置する中間プレートとを有し、上記突起の高さが中間プレートの厚さよりも小さく形成されていることを特徴とする請求項１又は２に記載のガスケット。   A first and a second gasket plate positioned on both sides of the rubber ring plate; and an intermediate plate positioned between the first and second gasket plates in a non-polymerized state. The gasket according to claim 1 or 2, wherein the height is smaller than the thickness of the intermediate plate.
JP2006134259A 2006-05-12 2006-05-12 Cylinder head gasket Active JP4560007B2 (en)

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JP2006134259A JP4560007B2 (en) 2006-05-12 2006-05-12 Cylinder head gasket
US11/797,690 US20070262538A1 (en) 2006-05-12 2007-05-07 Cylinder head gasket
DE102007022423.2A DE102007022423B4 (en) 2006-05-12 2007-05-10 Multilayer cylinder head gasket with rubber ring
KR1020070046079A KR100824335B1 (en) 2006-05-12 2007-05-11 Cylinder head gasket
CN2007101074483A CN101070911B (en) 2006-05-12 2007-05-11 Cylinder head gasket

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KR20070109949A (en) 2007-11-15
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